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Serrulatin A and B, New Diterpene Polyesters from Euphorbia serrulata

✍ Scribed by Judit Hohmann; Dóra Rédei; Ferenc Evanics; Alajos Kálmán; Gyula Argay; Tibor Bartók


Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
115 KB
Volume
56
Category
Article
ISSN
0040-4020

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✦ Synopsis


AbstractÐTwo new diterpene polyesters, serrulatin A (1) and B (2), were isolated from an n-hexane extract of the whole, undried plant of Euphorbia serrulata. The structures were elucidated by various spectroscopic methods, including ESI-MS, IR, UV, 1D and 2D NMR techniques and X-ray crystallography. Serrulatin A contains a hitherto unknown heterocyclic ring system, while serrulatin B is a diterpene, which can be formally derived from 1 by ring opening.


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Salicifoline and salicinolide, new diter
✍ Judit Hohmann; Ferenc Evanics; György Dombi; Pál Szabó 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 79 KB

Two new diterpenes (1 and 2) were isolated from a dichloromethane extract of fresh, whole plants of Euphorbia salicifolia: salicifoline (1) is the first representative of a new type of tricyclic diterpenes involving a novel 5-8-8 fused ring system, and salicinolide ( 2) is a bishomoditerpene lactone

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## Abstract Five new diterpene polyesters, **1**–**5**, with jatrophane skeletons were isolated from the fresh whole plants of __Euphorbia serrulata.__ The structure elucidation was performed by means of UV/VIS spectroscopy, HR‐ESI‐MS, and advanced two‐dimensional NMR methods, including ^1^H‐NMR, J